Tweet Sheet: Music Stars React to Boston Bombing

A reported terrorist attack at the close of the Boston Marathon today led to severe injuries and at least two people dead. As we wait to learn more details and mourn this tragedy, many turned to Twitter to offer their support and condolences, including some of our favorite celebs.

Chris Brown simply said, "Praying for Boston." Check out what other music stars had to say. (Photo: Try CW/WENN.com)